How should this sentence be understood? Should the levelness of horizontal equipment be based on the azimuth lines on both sides of the equipment? ?
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Should the levelness of horizontal equipment be based on the azimuth lines on both sides of the equipment? ? From: SH-T-3532-2005 - Code for Construction and Acceptance of Heat Exchanger Equipment in Petrochemical Industry, 6.1.7
They refer to the four center lines at 0º, 90º, 180º, and 270º marked on the cylinder during the manufacturing process; generally, the orientation lines on both sides of horizontal equipment can be used to determine levelness during installation.
Are there any rules regarding how to draw the azimuth lines?